have server 2000 with exchange 2000; installing a mail filter "imss trend micro" as of now i can recive mail and send mail fine inhouse and out to the internet. Built my trend server,installed imss, changed router to push mail to imss. everything is ok except imss will not relay mail to my exchange server. trend said to telnet the exchange server from the console to ck communication. i get no response at all. portqry shows smtp 25 listening, netstat -a -n shows tcp 0.0.0.0:25 for local 0.0.0.0:0 for foreign listening. help i don't understand how mail works fine but i can't communicate. no virus scanners installed,
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can't telnet local host port 25